| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 27 |
2.3%
|
| 2 | Easy | 194 |
16.2%
|
| 3 | Difficult | 342 |
28.5%
|
| 4 | Very difficult | 335 |
27.9%
|
| 7 | Don't have to pay taxes | 71 |
5.9%
|
| 9 | Don't Know | 231 |
19.3%
|
| 98 | Refused | 0 |
0%
|